Compatibility pass on flutter/foundation tests for JavaScript compilation. (1) (#33349)

packages/flutter/test/foundation/bit_field_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+@TestOn('!chrome')
+
 import 'package:flutter/foundation.dart';
 import '../flutter_test_alternative.dart';
 

packages/flutter/test/foundation/consolidate_response_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+@TestOn('!chrome')
+
 import 'dart:async';
 import 'dart:io';
 

packages/flutter/test/foundation/error_reporting_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+@TestOn('!chrome') // web has different stack traces
+
 import 'dart:async';
 
 import 'package:flutter/foundation.dart';

packages/flutter/test/foundation/isolates_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+@TestOn('!chrome') // isolates not supported on the web.
+
 import 'package:flutter/foundation.dart';
 
 import '../flutter_test_alternative.dart';

packages/flutter/test/foundation/serialization_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+@TestOn('!chrome') // web does not support certain 64bit behavior
+
 import 'dart:typed_data';
 
 import 'package:flutter/foundation.dart';

packages/flutter/test/foundation/service_extensions_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+@TestOn('!chrome')
+
 import 'dart:async';
 import 'dart:convert';
 import 'dart:typed_data';

packages/flutter/test/foundation/stack_trace_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+@TestOn('!chrome') // web has different stack traces
+
 import 'package:flutter/foundation.dart';
 import '../flutter_test_alternative.dart';
 

packages/flutter_test/lib/src/binding.dart

@@ -23,6 +23,7 @@ import 'package:stack_trace/stack_trace.dart' as stack_trace;
 import 'package:vector_math/vector_math_64.dart';
 
 import 'goldens.dart';
+import 'platform.dart';
 import 'stack_manipulation.dart';
 import 'test_async_utils.dart';
 import 'test_exception_reporter.dart';
@@ -151,7 +152,7 @@ abstract class TestWidgetsFlutterBinding extends BindingBase
   /// environment variables for a variable called `FLUTTER_TEST`.)
   static WidgetsBinding ensureInitialized() {
     if (WidgetsBinding.instance == null) {
-      if (Platform.environment.containsKey('FLUTTER_TEST')) {
+      if (isBrowser || Platform.environment.containsKey('FLUTTER_TEST')) {
         AutomatedTestWidgetsFlutterBinding();
       } else {
         LiveTestWidgetsFlutterBinding();
@@ -248,6 +249,9 @@ abstract class TestWidgetsFlutterBinding extends BindingBase
     return TestAsyncUtils.guard<void>(() async {
       assert(inTest);
       final Locale locale = Locale(languageCode, countryCode == '' ? null : countryCode);
+      if (isBrowser) {
+        return;
+      }
       dispatchLocalesChanged(<Locale>[locale]);
     });
   }
@@ -586,7 +590,7 @@ abstract class TestWidgetsFlutterBinding extends BindingBase
     runApp(Container(key: UniqueKey(), child: _preTestMessage)); // Reset the tree to a known state.
     await pump();
 
-    final bool autoUpdateGoldensBeforeTest = autoUpdateGoldenFiles;
+    final bool autoUpdateGoldensBeforeTest = autoUpdateGoldenFiles && !isBrowser;
     final TestExceptionReporter reportTestExceptionBeforeTest = reportTestException;
     final ErrorWidgetBuilder errorWidgetBuilderBeforeTest = ErrorWidget.builder;
 
@@ -601,7 +605,7 @@ abstract class TestWidgetsFlutterBinding extends BindingBase
       runApp(Container(key: UniqueKey(), child: _postTestMessage)); // Unmount any remaining widgets.
       await pump();
       invariantTester();
-      _verifyAutoUpdateGoldensUnset(autoUpdateGoldensBeforeTest);
+      _verifyAutoUpdateGoldensUnset(autoUpdateGoldensBeforeTest && !isBrowser);
       _verifyReportTestExceptionUnset(reportTestExceptionBeforeTest);
       _verifyErrorWidgetBuilderUnset(errorWidgetBuilderBeforeTest);
       _verifyInvariants();
@@ -750,6 +754,9 @@ class AutomatedTestWidgetsFlutterBinding extends TestWidgetsFlutterBinding {
   static Set<String> _allowedAssetKeys;
 
   void _mockFlutterAssets() {
+    if (isBrowser) {
+      return;
+    }
     if (!Platform.environment.containsKey('UNIT_TEST_ASSETS')) {
       return;
     }